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Code: Select all

section .text align=1
start:
    ; Load the kernel code into memory
    mov edx, 0x8000
    mov dh, 0x02
    mov dl, 0x80
    mov ah, 0x02
    int 0x13
    jnc kernel_loaded
    jmp error

kernel_loaded:
    ; Set the entry point for the kernel
    mov eax, [0x8000 + 0x218]
    mov ecx, [0x8000 + 0x21A]
    mov edx, 0
    add edx, ecx
    add ecx, ecx
    add edx, ecx
    add ecx, ecx
    add edx, ecx
    add ecx, ecx
    add edx, ecx
    add ecx, ecx
    add edx, ecx
    add eax, edx
    add eax, 0x8000
    jmp eax
    ; Display "Loading complete." on the screen
    mov ah, 0x00
    mov al, 'L'
    int 0x10
    mov ah, 0x00
    mov al, 'o'
    int 0x10
    mov ah, 0x00
    mov al, 'a'
    int 0x10
    mov ah, 0x00
    mov al, 'd'
    int 0x10
    mov ah, 0x00
    mov al, 'i'
    int 0x10
    mov ah, 0x00
    mov al, 'n'
    int 0x10
    mov ah, 0x00
    mov al, 'g'
    int 0x10
    mov ah, 0x00
    mov al, ' '
    int 0x10
    mov ah, 0x00
    mov al, 'c'
    int 0x10
    mov ah, 0x00
    mov al, 'o'
    int 0x10
    mov ah, 0x00
    mov al, 'm'
    int 0x10
    mov ah, 0x00
    mov al, 'p'
    int 0x10
    mov ah, 0x00
    mov al, 'l'
    int 0x10
    mov ah, 0x00
    mov al, 'e'
    int 0x10
    mov ah, 0x00
    mov al, 't'
    int 0x10
    mov ah, 0x00
    mov al, 'e'

error:
    ; Error handling code here

    ; Pad the boot loader to 512 bytes
    times 510 - ($-$$) db 0
    dd 0xAA55

Code: Select all

import core.stdc.stdio;
import core.stdc.string;
import core.stdc.stdlib;
import core.bitop;

class VirtualMemoryManager {
    private:
        // Page table for virtual memory
        uint[4096] pageTable;
    public:
        // Set up page tables for virtual memory
        void init() {
            for (int i = 0; i < 4096; i++) {
                pageTable[i] = i * 4096;
            }
        }
};

class VirtualMachineMonitor {
    private:
        // Instance of the virtual memory manager
        VirtualMemoryManager vmm;
        // Task queue for the task scheduler
        uint[1024] taskQueue;
    public:
        // Initialize the virtual memory manager
        void initVirtualMemory() {
            vmm.init();
        }
        // Initialize the task scheduler
        void initTaskScheduler() {
            for (int i = 0; i < 1024; i++) {
                taskQueue[i] = i;
            }
        }
};

// Define the kernel code
void initKernel() {
    // Initialize the virtual machine monitor
    VirtualMachineMonitor vmm = new VirtualMachineMonitor();
    vmm.initVirtualMemory();
    vmm.initTaskScheduler();
}